Finding the Fourth Proportional to 437.18, 655.91 and 193.67
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Solution
The fourth proportional to 437.18, 655.91 and 193.67 is: 290.57
Step by Step Solution
- Step 1: Write the proportion equation
437.18 : 655.91 = 193.67 : x - Step 2: Convert to fraction form
437.18/655.91 = 193.67/x - Step 3: Cross multiply
437.18x = 655.91 × 193.67 - Step 4: Simplify right side
437.18x = 127,030.09 - Step 5: Solve for x
x = 127,030.09/437.18 - Step 6: Final answer
x = 290.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.